About: http://webisa.webdatacommons.org/39296530

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Bull et al.[15] and van der Ploeg et al.[8] reported that lack of time was a major barrier to physical activity promotion in
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com